A popular portuguese sundial in painted wood by Joao da Silva, 19th

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Category: Portable Sundials

Description

A good example of this classic and popular portuguese sundial built in wood and painted with black and red inks and stamped in black ink.

The daylight hours are indicated for Portugal’s mean latitude (38-39 deg.). There is some small decorative figures at the corners of the main plate and three small figures of sun and flowers on the superior plate. The needle is original and north is indicated with a fleur-de-lis, and east with two tiny symbols.

The sundial is signed two times : on the main plate only “AUTOR J.S.” and on the rear back face with a large signature : “Marca superiora meridiano J.S. / Verdareiro Autor J. da Silva”.

Good original condition.

Size : 7x5x2cm

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Established by Alexandre Piffault in 2014 and based in Paris, Le Zograscope specializes in antique and rare books in Science, Medicine and Technology, and rare antique instruments in the same fields. We have especially a strong interest in early and continental microscopy, early and special mathematical/drawing instruments, medical and surgical instrument, and rare technology.